Add lscanfd.ko (6965e5fa1627)

lscanfd.ko is in driver/net/can/ls_can.

usage:
insmod lscanfd.ko
insmod lscanfd_platform.ko

arch/loongarch/boot/dts/loongson/loongson2k300.dtsi

@@ -25,6 +25,8 @@
 		spi1 = &spi1;
 		spi2 = &spi2;
 		spi3 = &spi3;
+		ethernet0 = &gmac0;
+		ethernet1 = &gmac1;
 	};
 
 	cpus {
@@ -123,6 +125,10 @@
 			pinctrl-single,bits = <0x10 0x000000a0 0xf00000f0>;
 		};
 
+		gmac1_pins: pinmux_G44_G55_as_gmac1 {
+			pinctrl-single,bits = <0x8 0x55000000 0xff000000
+						0xc 0x00005555 0x0000ffff>;
+		};
 		i2c0_pins: pinmux_G48_G49_as_i2c0 {
 			pinctrl-single,bits = <0xc 0x0000000f 0x0000000f>;
 		};
@@ -151,6 +157,10 @@
 			pinctrl-single,bits = <0x10 0x000000ff 0x000000ff>;
 		};
 
+		spi2_cs_as_gpio: pinmux_G64_G66_as_spi2 {
+			pinctrl-single,bits = <0x10 0x0000003f 0x000000ff>;
+		};
+
 		can0_pins: pinmux_G68_G69_as_can0 {
 			pinctrl-single,bits = <0x10 0x00000f00 0x00000f00>;
 		};
@@ -436,8 +446,8 @@
 			interrupt-names = "macirq";
 			dma-mask = <0xffffffff 0xffffffff>;
 			phy-mode = "rgmii";
-			// pinctrl-0 = <&gmac1_pins>;
-			// pinctrl-names = "default";
+			pinctrl-0 = <&gmac1_pins>;
+			pinctrl-names = "default";
 			snps,pbl = <32>;
 			status = "disabled";
 		};
@@ -483,46 +493,58 @@
 		};
 
 		can0: can@0x16110000 {
-			compatible = "ls,lscanfd";
+			compatible = "loongson,ls-canfd";
 			reg = <0 0x16110000 0 0x400>;
 			ls,clock-frequency = <200000000>;
+			ls,canfd-dmarx;
 			interrupt-parent = <&icu>;
 			interrupts = <8>;
 			pinctrl-0 = <&can0_pins>;
 			pinctrl-names = "default";
+			dmas = <&dma 0 0xaae>;
+			dma-names = "rx";
 			status = "disabled";
 		};
 
 		can1: can@0x16111000 {
-			compatible = "ls,lscanfd";
+			compatible = "loongson,ls-canfd";
 			reg = <0 0x16110400 0 0x400>;
 			ls,clock-frequency = <200000000>;
+			ls,canfd-dmarx;
 			interrupt-parent = <&icu>;
 			interrupts = <9>;
 			pinctrl-0 = <&can1_pins>;
 			pinctrl-names = "default";
+			dmas = <&dma 1 0xaae>;
+			dma-names = "rx";
 			status = "disabled";
 		};
 
 		can2: can@0x16112000 {
-			compatible = "ls,lscanfd";
+			compatible = "loongson,ls-canfd";
 			reg = <0 0x16110800 0 0x400>;
 			ls,clock-frequency = <200000000>;
+			ls,canfd-dmarx;
 			interrupt-parent = <&icu>;
 			interrupts = <10>;
 			pinctrl-0 = <&can2_pins>;
 			pinctrl-names = "default";
+			dmas = <&dma 2 0xaae>;
+			dma-names = "rx";
 			status = "disabled";
 		};
 
 		can3: can@0x16113000 {
-			compatible = "ls,lscanfd";
+			compatible = "loongson,ls-canfd";
 			reg = <0 0x16110c00 0 0x400>;
 			ls,clock-frequency = <200000000>;
+			ls,canfd-dmarx;
 			interrupt-parent = <&icu>;
 			interrupts = <11>;
 			pinctrl-0 = <&can3_pins>;
 			pinctrl-names = "default";
+			dmas = <&dma 3 0xaae>;
+			dma-names = "rx";
 			status = "disabled";
 		};
 
@@ -622,7 +644,7 @@
 			status = "disabled";
 		};
 
-		iodma: iodma@0x1612c000{
+		dma: dma@0x1612c000{
 			compatible = "loongson,lsia-dma";
 			reg = <0 0x1612c000 0 0x100>;
 			#config-nr = <2>;
@@ -788,8 +810,8 @@
 		audio: audio@0x16114000 {
 			compatible = "loongson,ls-pcm-generic-audio";
 			reg = <0 0x16114000 0 0x4000>;
-			dmas = <&iodma 0 0xaf
-			        &iodma 1 0xbf>;
+			dmas = <&dma 0 0xaf
+			        &dma 1 0xbf>;
 			dma-names = "i2s_record", "i2s_play";
 			dma-mask = <0xffffffff 0xffffffff>;
 			status = "disabled";

arch/loongarch/boot/dts/loongson/loongson2p500.dtsi

@@ -412,7 +412,7 @@
 		uart4: serial@0x15100000 {
 			compatible = "ns16550a";
 			reg = <0 0x15100000 0 0x10>;
-			clock-frequency = <200000000>;
+			clock-frequency = <100000000>;
 			//interrupt-parent = <&extioiic>;
 			interrupt-parent = <&icu>;
 			interrupts = <39>;
@@ -425,7 +425,7 @@
 		uart5: serial@0x15100800 {
 			compatible = "ns16550a";
 			reg = <0 0x15100800 0 0x10>;
-			clock-frequency = <200000000>;
+			clock-frequency = <100000000>;
 			//interrupt-parent = <&extioiic>;
 			interrupt-parent = <&icu>;
 			interrupts = <39>;
@@ -438,7 +438,7 @@
 		uart6: serial@0x15200000 {
 			compatible = "ns16550a";
 			reg = <0 0x15200000 0 0x10>;
-			clock-frequency = <200000000>;
+			clock-frequency = <100000000>;
 			//interrupt-parent = <&extioiic>;
 			interrupt-parent = <&icu>;
 			interrupts = <53>;
@@ -451,7 +451,7 @@
 		uart7: serial@0x15200800 {
 			compatible = "ns16550a";
 			reg = <0 0x15200800 0 0x10>;
-			clock-frequency = <200000000>;
+			clock-frequency = <100000000>;
 			//interrupt-parent = <&extioiic>;
 			interrupt-parent = <&icu>;
 			interrupts = <54>;

arch/loongarch/boot/dts/loongson/loongson_panel_param.dtsi

@@ -71,5 +71,28 @@
 				pixelclk-active = <0>;
 			};
 		};
+
+		panel-ATK-MD1010R-1280x800{
+			width-mm = <229>;
+			height-mm = <149>;
+			label = "ATK-MD1010R-1280x800";
+			data-mapping = "jeida-24";
+
+			panel-timing {
+				clock-frequency = <71100000>;
+				hactive = <1280>;
+				vactive = <800>;
+				hsync-len = <10>;
+				hfront-porch = <70>;
+				hback-porch = <80>;
+				vfront-porch = <10>;
+				vback-porch = <10>;
+				vsync-len = <3>;
+				de-active = <1>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				pixelclk-active = <0>;
+			};
+		};
 	};
 };

arch/loongarch/boot/dts/loongson/ls2k300_mini_dp.dts

@@ -18,11 +18,17 @@
 
 	};
 
+	lcd_backlight: backlight {
+		compatible = "gpio-backlight";
+		gpios = <&gpio 84 GPIO_ACTIVE_HIGH>;
+		default-on;
+	};
+
 	panel: dvo-connector@0 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "panel-lvds", "auo,b101ean01";
-		//backlight = <&lcd_backlight>;
+		backlight = <&lcd_backlight>;
 
 		/* lcd power on control gpio */
 		// enable-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>;

arch/loongarch/boot/dts/loongson/ls2k300_pai.dts

@@ -49,7 +49,7 @@
 	lcd_backlight: backlight {
 		compatible = "gpio-backlight";
 		gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
-		status = "okay";
+		default-on;
 	};
 
 	panel: dvo-connector@0 {
@@ -141,6 +141,7 @@
 	onewire {
 		compatible = "w1-gpio";
 		gpios = <&gpio 68 GPIO_ACTIVE_HIGH>;
+		status = "disabled";
 	};
 };
 
@@ -180,16 +181,33 @@
 
 &spi1 {
 	status = "okay";
+
+	spidev0@0 {
+		compatible = "rohm,dh2228fv";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+	};
 };
 
 &spi2 {
 	status = "ok"
+	pinctrl-0 = <&spi2_cs_as_gpio>;
+	pinctrl-names = "default";
+	num-chipselects = <2>;
+	cs-gpios = <&gpio 67 0>,
+			<&gpio 85 0>;
 
 	mcp3004@0 {
 		compatible = "mcp3004";
 		reg = <0>;
 		spi-max-frequency = <1500000>;
 	};
+
+	spidev1@1 {
+		compatible = "rohm,dh2228fv";
+		reg = <1>;
+		spi-max-frequency = <25000000>;
+	};
 };
 
 &gmac0 {
@@ -304,8 +322,4 @@
 
 &sound {
 	status = "okay";
-};
-
-&pwm0 {
-	status = "okay";
-};
+};

arch/loongarch/configs/loongson_2k300_defconfig

@@ -1,4 +1,5 @@
 CONFIG_LOCALVERSION=".lsgd"
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ=y

arch/loongarch/configs/loongson_2k500_defconfig

@@ -1,4 +1,5 @@
 CONFIG_LOCALVERSION=".lsgd"
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ=y

arch/loongarch/configs/loongson_2k500_mini_defconfig

@@ -1,4 +1,5 @@
 CONFIG_LOCALVERSION=".lsgd"
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_DEFAULT_HOSTNAME="Loongson(GD)"
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y

arch/loongarch/configs/loongson_2p500_defconfig

@@ -1,4 +1,5 @@
 CONFIG_LOCALVERSION=".lsgd"
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_DEFAULT_HOSTNAME="Loongson(GD)"
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y

buildenv.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -e
+
+PS3="Please enter your choice:"
+
+conf=""
+
+function get_conf()
+{
+	plat=loongson_${1}
+	opts=(`cd arch/loongarch/configs && ls ${plat}*`)
+	select opt in "${opts[@]}"
+	do
+		conf=$opt
+		break
+	done
+
+	echo
+	echo "Your select is:${conf}"
+	echo
+}
+
+function usage()
+{
+	echo "Usage:"
+	echo "./buildenv.sh <chip> [options]"
+	echo "chip: <2k300/2k500/2k1000/2p500/all>"
+	echo "options: it's same as u-boot make defconfig"
+}
+
+function main()
+{
+	if [ $# -ge 1 ]; then
+	       param=${1}	
+	       if [ ${param} = "all" ]; then
+		       get_conf
+		else
+			get_conf $param
+		fi
+
+		shift
+		make $conf  $@
+	else
+		usage
+	fi
+}
+
+main $@

drivers/i2c/busses/i2c-lsfs.c

@@ -242,11 +242,11 @@ static void ls_i2c_handle_read(struct ls_i2c_dev *i2c_dev, int flag)
 		complete(&i2c_dev->complete);
 		break;
 	case 3:
-		i2c_clr_bits(reg, I2C_CR2_ITBUFEN);
-		// 必须 delay 至少 100us
-		udelay(500);
-		if (flag != 1)
+		if (readl(i2c_dev->base + I2C_CR2) & I2C_CR2_ITBUFEN) {
+			i2c_clr_bits(reg, I2C_CR2_ITBUFEN);
 			break;
+		}
+
 		reg = i2c_dev->base + I2C_CR1;
 		i2c_clr_bits(reg, I2C_CR1_ACK);
 	default:
@@ -476,7 +476,7 @@ static int ls_i2c_probe(struct platform_device *pdev)
 	}
 
 	i2c_dev->speed = LS_I2C_SPEED_STANDARD;
-	of_property_read_u32(np, "i2c-speed", &clk_rate);
+	ret = of_property_read_u32(np, "i2c-speed", &clk_rate);
 	if (!ret && clk_rate >= 400000)
 		i2c_dev->speed = LS_I2C_SPEED_FAST;
 

drivers/misc/ls2x-lio.c

@@ -217,7 +217,7 @@ static ssize_t lio_write (struct file *file,
 		}
 	} else {
 		for (i = 0; i < size; i += 2) {
-			iowrite16(kbuf[i], ptr+i);
+			iowrite16((kbuf[i+1] << 8 | kbuf[i]), ptr+i);
 		}
 	}
 

drivers/spi/spi-ls-io.c

@@ -138,6 +138,8 @@ struct ls_spiio_priv {
 	u32 ref_clk;
 	u32 clk;
 	u8 dsize;
+	struct gpio_desc **cs_gpios;
+	struct device *dev;
 };
 
 static int ls_spiio_idle_sr1(struct ls_spiio_priv* priv, u32 bit)
@@ -148,19 +150,90 @@ static int ls_spiio_idle_sr1(struct ls_spiio_priv* priv, u32 bit)
 	return timeout;
 }
 
-static int ls_spiio_set_cs(struct ls_spiio_priv* priv, int cs)
+static int ls_spiio_active_cs(struct ls_spiio_priv* priv, int cs)
 {
-	ls_spiio_write_reg(priv, REG_CR1,
-		BIT_CR1_SSREV | BIT_CR1_SPE);
+	int active = 0;
+
+	if (!priv->cs_gpios)
+		ls_spiio_write_reg(priv, REG_CR1, BIT_CR1_SSREV | BIT_CR1_SPE);
+	else
+		gpiod_set_raw_value(priv->cs_gpios[cs], active);
+
 	return 0;
 }
 
 static int ls_spiio_clear_cs(struct ls_spiio_priv* priv)
 {
-	ls_spiio_write_reg(priv, REG_CR1, BIT_CR1_SSREV);
+	struct spi_master* master = priv->master;
+	int clear = 1;
+	int i;
+
+	if (!priv->cs_gpios)
+		ls_spiio_write_reg(priv, REG_CR1, BIT_CR1_SSREV);
+	else
+		for (i = 0; i < master->num_chipselect; i++)
+			gpiod_set_raw_value(priv->cs_gpios[i], clear);
+
 	return 0;
 }
 
+static int ls_spiio_free_cs_gpios(struct ls_spiio_priv* priv)
+{
+	struct spi_master* master = priv->master;
+	struct device *dev = priv->dev;
+	int i;
+
+	if (!priv->cs_gpios)
+		return 0;
+
+	for (i = 0; i < master->num_chipselect; i++)
+		devm_gpiod_put(dev, priv->cs_gpios[i]);
+
+	devm_kfree(dev, priv->cs_gpios);
+
+	return 0;
+}
+
+static int ls_spiio_init_cs_gpios(struct ls_spiio_priv* priv)
+{
+	struct spi_master* master = priv->master;
+	struct device *dev = priv->dev;
+	int clear = 1;
+	int ret;
+	int i;
+
+	priv->cs_gpios = devm_kcalloc(dev, master->num_chipselect,
+					  sizeof(*priv->cs_gpios),
+					  GFP_KERNEL);
+	if (!priv->cs_gpios)
+		return -ENOMEM;
+
+	for (i = 0; i < master->num_chipselect; i++) {
+		priv->cs_gpios[i] = devm_gpiod_get_index(dev, "cs", i,
+				GPIOD_OUT_HIGH);
+		if (IS_ERR(priv->cs_gpios[i]))
+		{
+			ret = PTR_ERR(priv->cs_gpios[i]);
+			dev_err(dev, "Cannot Requst cs-gpio[%d]: %d\n",
+					i, ret);
+			goto free_cs_gpio_array;
+		}
+		else
+		{
+			dev_info(dev, "GPIO[%d] as cs[%d]\n",
+					desc_to_gpio(priv->cs_gpios[i]), i);
+			gpiod_direction_output_raw(priv->cs_gpios[i], clear);
+		}
+	}
+
+	return 0;
+
+free_cs_gpio_array:
+	devm_kfree(dev, priv->cs_gpios);
+
+	return ret;
+}
+
 static int ls_spiio_xfer(struct ls_spiio_priv* priv, u8* tx, u8* rx, int len)
 {
 	int remain = len;
@@ -294,7 +367,7 @@ static int __spi_transfer(struct spi_device *spi, struct spi_message *m)
 	m->actual_length = 0;
 	m->status = 0;
 
-	ls_spiio_set_cs(priv, spi->chip_select);
+	ls_spiio_active_cs(priv, spi->chip_select);
 	list_for_each_entry(t, &m->transfers, transfer_list) {
 		/*setup spi clock*/
 		ls_spiio_set_clk_timing(priv, t->speed_hz, spi->mode);
@@ -310,8 +383,10 @@ static int __spi_transfer(struct spi_device *spi, struct spi_message *m)
 
 static int drv_ls_spiio_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct ls_spiio_priv* priv;
 	struct spi_master* master;
+	u32 num_chipselect;
 	int ret;
 
 	master = spi_alloc_master(&pdev->dev, sizeof(*priv));
@@ -328,30 +403,45 @@ static int drv_ls_spiio_probe(struct platform_device *pdev)
 	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
 	master->setup = __spi_setup;
 	master->transfer = __spi_transfer;
-	master->num_chipselect = 1;
+
+	if (of_property_read_u32(pdev->dev.of_node, "num-chipselects",
+				&num_chipselect))
+		num_chipselect = 1;
+	master->num_chipselect = num_chipselect ? num_chipselect : 1;
+
 #ifdef CONFIG_OF
 	master->dev.of_node = of_node_get(pdev->dev.of_node);
 #endif
 	dev_set_drvdata(&pdev->dev, master);
 
 	priv = spi_master_get_devdata(master);
+	priv->master = master;
+	priv->dev = dev;
+
+	if (of_find_property(pdev->dev.of_node, "cs-gpios", NULL))
+	{
+		ret = ls_spiio_init_cs_gpios(priv);
+		if (ret)
+			goto free_master;
+	}
+
 	priv->reg = devm_platform_ioremap_resource(pdev, 0);
 	if (priv->reg == NULL) {
 		dev_err(&pdev->dev, "Cannot map IO\n");
 		ret = -ENXIO;
+		goto try_free_cs_gpios;
 	}
 	if (of_property_read_u32(pdev->dev.of_node, "clock-frequency",
 				&priv->ref_clk))
 	{
 		dev_err(&pdev->dev, "Cannot get clock\n");
-		goto free_master;
+		goto try_free_cs_gpios;
 	}
-	priv->master = master;
 
 	ls_spiio_init(priv);
 
 	ret = spi_register_master(master);
-	if (ret < 0)
+	if (ret)
 	{
 		dev_err(&pdev->dev, "spi register fail\n");
 		goto unmap_io;
@@ -361,6 +451,9 @@ static int drv_ls_spiio_probe(struct platform_device *pdev)
 
 unmap_io:
 	devm_iounmap(&pdev->dev, priv->reg);
+try_free_cs_gpios:
+	if (of_find_property(pdev->dev.of_node, "cs-gpios", NULL))
+		ls_spiio_free_cs_gpios(priv);
 free_master:
 	spi_master_put(master);
 err:

drivers/staging/rtl8188fu/include/rtw_debug.h

@@ -195,7 +195,7 @@ extern void rtl871x_cedbg(const char *fmt, ...);
 #define DRIVER_PREFIX "RTL871X: "
 
 #if defined(_dbgdump)
-
+#ifdef CONFIG_DEBUG_RTL871X
 #define DBG_871X_EXP(level, EXP) do { if (level <= GlobalDebugLevel) EXP; } while (0)
 
 /* with driver-defined prefix */
@@ -221,7 +221,13 @@ extern void rtl871x_cedbg(const char *fmt, ...);
 				_dbgdump(fmt, ##arg);\
 		}\
 	}while(0)
-
+#else
+#define DBG_871X_EXP(level, EXP) do { } while (0)
+#undef DBG_871X_LEVEL
+#define DBG_871X_LEVEL(level, fmt, arg...) do { } while (0)
+#undef _DBG_871X_LEVEL
+#define _DBG_871X_LEVEL(level, fmt, arg...) do { } while (0)
+#endif
 #if defined(_seqdump)
 #define RTW_DBGDUMP 0 /* 'stream' for _dbgdump */
 

drivers/staging/rtl8188fu/os_dep/linux/usb_intf.c

@@ -1521,11 +1521,13 @@ int rockchip_wifi_init_module(void)
     int type = get_wifi_chip_type();
     if (type < WIFI_AP6XXX_SERIES || type == WIFI_ESP8089) return 0;
 #endif
+#ifdef CONFIG_DEBUG_RTL871X
     printk("\n");
     printk("=======================================================\n");
     printk("==== Launching Wi-Fi driver! (Powered by Rockchip) ====\n");
     printk("=======================================================\n");
     printk("Realtek 8188FU USB WiFi driver (Powered by Rockchip) init.\n");
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
 #if 0
     rockchip_wifi_power(1);
@@ -1548,11 +1550,13 @@ void rockchip_wifi_exit_module(void)
     int type = get_wifi_chip_type();
     if (type < WIFI_AP6XXX_SERIES || type == WIFI_ESP8089) return;
 #endif
+#ifdef CONFIG_DEBUG_RTL871X
     printk("\n");
     printk("=======================================================\n");
     printk("==== Dislaunching Wi-Fi driver! (Powered by Rockchip) ====\n");
     printk("=======================================================\n");
     printk("Realtek 8188FU USB WiFi driver (Powered by Rockchip) init.\n");
+#endif
     rtw_drv_halt();
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 1, 0))
     //rockchip_wifi_set_carddetect(0);

scripts/mkcompile_h

@@ -46,6 +46,12 @@ if [ -n "$SMP" ] ; then CONFIG_FLAGS="SMP"; fi
 if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT"; fi
 if [ -n "$PREEMPT_RT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT_RT"; fi
 
+if [ -f "kernel_git_info" ]; then
+   CONFIG_FLAGS="$CONFIG_FLAGS g"$(cat kernel_git_info)
+elif [ -d ".git" ]; then
+   CONFIG_FLAGS="$CONFIG_FLAGS g"$(git rev-parse --short HEAD)
+fi
+
 # Truncate to maximum length
 UTS_LEN=64
 UTS_VERSION="$(echo $UTS_VERSION $CONFIG_FLAGS $TIMESTAMP | cut -b -$UTS_LEN)"